Circuit breaker



FIG. 1 is a perspective view of a circuit breaker, as shown in an exemplary embodiment;

FIG. 2 is a front view of the embodiment of FIG. 1;

FIG. 3 is a rear view of the embodiment of FIG. 1;

FIG. 4 is a side view of the embodiment of FIG. 1;

FIG. 5 is another side view of the embodiment of FIG. 1;

FIG. 6 is a top view of the embodiment of FIG. 1; and,

FIG. 7 is a bottom view of the embodiment of FIG. 1.

The broken lines shown in the Figures are environmental and not part of the claimed design. 

CLAIM We claim, the ornamental design for a circuit breaker, as shown and described. 